| PEOPLE | Lake Mary | Montgomery | United States |
| Population | 13,822 | 205,764 | 308,035,306 |
| Pop. Density | 1,509 | 1,290 | 87 |
| Pop. Change | 21.23% | 1.30% | 8.07% |
| Median Age | 43 | 34.1 | 37.3 |
| Households | 5,329 | 81,486 | 116,716,292 |
| Household Size | 2.56 | 2.44 | 2.58 |
| Male Population | 48.52% | 46.99% | 49.27% |
| Female Population | 51.48% | 53.01% | 50.96% |
| Married Population | 51.63% | 39.40% | 47.02% |
| Single Population | 48.37% | 60.60% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 5.00% | 7.18% | 6.56% |
| Age 5 to 9 | 6.04% | 6.87% | 6.61% |
| Age 10 to 14 | 7.10% | 6.76% | 6.71% |
| Age 15 to 17 | 4.48% | 4.11% | 4.21% |
| Age 18 to 20 | 2.55% | 3.24% | 2.95% |
| Age 21 to 24 | 4.62% | 8.49% | 7.01% |
| Age 25 to 34 | 8.88% | 14.57% | 13.33% |
| Age 35 to 44 | 14.53% | 12.75% | 13.33% |
| Age 45 to 49 | 18.07% | 13.39% | 14.61% |
| Age 50 to 54 | 18.07% | 13.39% | 14.61% |
| Age 55 to 59 | 14.60% | 10.85% | 11.84% |
| Age 60 to 64 | 14.60% | 10.85% | 11.84% |
| Age 65 to 74 | 7.29% | 6.23% | 7.05% |
| Age 75 to 84 | 4.54% | 3.97% | 4.24% |
| Age 85 and over | 2.30% | 1.60% | 1.78% |
| RACE | | | |
| White | 84.53% | 37.25% | 72.41% |
| Black | 4.98% | 56.63% | 12.61% |
| Asian | 5.99% | 2.24% | 4.75% |
| American Indian | 0.25% | 0.25% | 0.95% |
| Other | 4.25% | 3.63% | 9.28% |
| Hispanic | 9.80% | 1.33% | 16.35% |
| Non-Hispanic | 90.20% | 98.67% | 83.65% |
| FAMILY | | | |
| Married, w/children | 34.08% | 23.12% | 30.42% |
| Married, no children | 48.48% | 34.88% | 42.46% |
| Single, w/children | 9.10% | 22.67% | 14.39% |
| Single, no children | 8.35% | 19.33% | 12.73% |
| Divorced | 11.74% | 12.87% | 10.62% |
| Separated | 5.36% | 4.28% | 4.97% |
| Widowed | 5.57% | 7.73% | 6.14% |
| Now Married | 51.95% | 40.15% | 46.32% |
| Never Married | 25.38% | 34.97% | 31.95% |